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@kyrylosilin Hey, thank you for your question! We were conducting a lot of tests, Gmail showed 7.5, Outlook showed 8.5, our infrastructure showed 10/10 on mail-tester consistently. We setup all needed records like SPF, DKIM, DMARC for maximum deliverability and always recommend to do warmup for 2 weeks.
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I have a friend who is currently researching in a related field, and I will recommend Infraforge to him.
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